凯氏铁铤 一头是凿头

kelly tool  detail>>

凯氏铁铤

kelly tool  detail>>

凿头

chopping bit(churn bit) point tool  detail>>

铁铤

crowbar  detail>>

凯氏

mirco-kjeldahl  detail>>

一头

1.(脑袋) a head (covered with gray hair, dust, skin, ailments, etc.)  短语和例子   高过一头...  detail>>

重铁铤

door breaker  detail>>

一头, 另一头

one end, the other end  detail>>

非贝氏铁

non bessemer iron non-bessemer iron  detail>>

钩爪铁铤

claw tool  detail>>

哈利根铁铤

halligan tool  detail>>

凯式铁铤

kelly tool  detail>>

斯氏铁坩埚

skidmore iron crucible  detail>>

布凯氏

bucky diaphragm  detail>>

凯氏带

casparian band casparian strip suberin  detail>>

凯氏氮

kjeldahl nitrogen  detail>>

凯氏点

casparian dot s casparian dots radial dots  detail>>

凯氏法

kjeldahl  detail>>